吸

to breathe / to suck in / to absorb / to inhale

and / to reach / up to / in time for

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

artificial respiration (medicine)

to suck

(diving) regulator / demand valve

to gasp (with amazement or shock etc) / to feel a chill run down one's spine / to have one's hairs stand on end

backup regulator / octopus (diving)

oral sucker (e.g. on bloodsucking parasite)

Like attracts like.

to draw (towards) / to be drawn to / to be sucked in

severe acute respiratory syndrome (SARS)

upper respiratory tract infection

Middle East respiratory syndrome (MERS)